Abstract
The nearest environment of europium atoms in borate-germanate glass of composition La3Gd10Eu(BO3)6(GeO4)2O8 was studied by EXAFS spectroscopy, and the Eu-O distances were determined. The structural data on the isostructural compound Gd14(BO3)6(GeO4)2O8 of similar composition were used for the construction of models. It was established that a europium atom is surrounded by eight oxygen atoms, and the Eu-O distance in the glass was equal to ∼2.45 A. These characteristics are close to the values in the crystals of the corresponding solid solutions.
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